From: "Roger Eichhorn" > I ask a simple technical question and what do I get back? A diatribe > implying that I and others who have asked for more information are > either inexperienced or stupid. So much for the vaunted civility of > PhotoForum and its supposed helpfulness. flame..err, photoforum is always civil! * (* depending one's defenition of the society ;-) R writes: None of my lenses, all Canon, one L series, seem to have the ability to change the "back focus." (As described in http://www.mediacollege.com/video/camera/howto/back-focus.html, for example.) I'v not heard of back focus as being a possibility either Roger. the mount can be reset but it's not anything to be undertaken lightly k
